What pressure does the pressure gauge at the rear of the shielded pump measure, and what is its function?
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What pressure does the pressure gauge at the rear of the shielded pump measure, and what is its function?
I guess it’s the pressure of the output medium
I haven’t seen the actual item. If the inlet and outlet flanges are at the front of the pump, then the back of the pump is likely to contain the pipes for circulating the cooling medium, and the pressure gauge reads the pressure of that medium.
I’m not sure which gauge you’re referring to or where it’s installed. 1. It’s a mechanical bearing monitor of the Japanese type; from the outside, it appears as a pressure gauge with a pointer. I wonder if this is the one you mean? If so, it’s used to measure the internal pressure of the bearings. 2. If it’s installed on the pipeline behind the pump, generally, pressure gauges are not installed at the back of recirculating canned pumps; only pumps with reverse circulation require a pipe leading out from the rear. For operational reliability, pressure gauges are often installed on these rear pipelines to measure the pressure of the fluid flowing out from the back of the motor, thereby determining whether it can overcome the losses in the pipeline and return to the gas phase area
All Japanese-style shielded pumps are equipped with a bearing detector; those made by Imperia use electromagnetic induction by cutting magnetic field lines to determine the degree of bearing wear. This feature is only present in bearings made of graphite, as SiC bearings do not require it. The original poster had better attach a picture